The phrase "a valuable indication" is correct and usable in written English.
It can be used when referring to something that provides useful information or insight about a particular situation or subject.
Example: "The survey results serve as a valuable indication of customer satisfaction levels."
Alternatives: "a useful sign" or "an important clue".
This may be a small, theatrical footnote to a large and varied body of work, but it is a valuable indication of how Gira expected his audience to be as committed to the ritual as he was.
The PCA maps give a valuable indication of the combination of features characterizing easy and hard to solve instances.
In spite of all uncertainties and debates, LCA calculations provide a valuable indication of the global warming potential [83] and GHG mitigation potential of a biofuel.
We propose that the study of expression of bivalent domain-containing genes, which are normally silenced in ESCs, gives a valuable indication of the quality of the iPSC line, and could be used to select the best iPSC lines out of a large number of lines generated in each reprogramming experiment.
This is a valuable indication that a combined approach is important in the investigation of prognostic markers.
If an extrapolated estimate violates a constraint, it could be a valuable indication that the model is inappropriate when applied to all the studies.
The measurement of acute phase proteins in plasma provides a clinically valuable indication of the presence of inflammation and its extent [ 25].
The EGA data offer some valuable indications about a possible decomposition mechanism.
In a research setting, knowledge of the type and location of multiple pathological mutations in a specific disease gene might reveal valuable indications towards functionally critical protein domains and/or motifs and disease mechanisms.
A clear distinction between the surface and inner structures provides valuable indications about the components of the cytoskeleton, which may be affected by pathological processes.
